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C77300 Nickel Silver vs. C87500 Brass

Both C77300 nickel silver and C87500 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 62% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C77300 nickel silver and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.3
0.33
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 540
460

Thermal Properties

Latent Heat of Fusion, J/g 180
260
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 940
920
Melting Onset (Solidus), °C 920
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.5
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 26
27
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 56
44
Embodied Water, L/kg 310
300

Common Calculations

Stiffness to Weight: Axial, points 7.7
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
16
Strength to Weight: Bending, points 19
16
Thermal Shock Resistance, points 17
17

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.5
Copper (Cu), % 46 to 50
79 to 85
Lead (Pb), % 0 to 0.050
0 to 0.5
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.25
0
Silicon (Si), % 0.040 to 0.25
3.0 to 5.0
Zinc (Zn), % 37.9 to 45
12 to 16
Residuals, % 0
0 to 0.5